#!/bin/bash
# slackware package build script for runit

# written by David Miller dave at frop dot net
# 2018, updated by Chris Abela, Malta, <kristofru@gmail.com>

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=runit
VERSION=${VERSION:-2.1.2}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

set -e

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
else
  SLKCFLAGS="-O2"
fi

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.gz --strip-components=1
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

echo gcc $SLKCFLAGS -Wall > src/conf-cc

package/compile
package/check

install -d $PKG/{sbin,usr/bin}
install -m 755 command/{runit*,utmpset} $PKG/sbin
install -m 755 command/{chpst,runsv*,sv*} $PKG/usr/bin
install -m 750 etc/2 $PKG/sbin/runsvdir-start

install -d $PKG/usr/man/man8
install -m 644 man/* $PKG/usr/man/man8

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

# Proceed with the configuration files. By default we install them.
if [ "${CONFIG:-yes}" != "no" ]; then
  # Set up the configuration files
  tar xvf $CWD/config.tar -C $PKG/ --no-same-owner
  # Set up the runlevels
  mkdir -p $PKG/etc/runit/runsvdir/{default,single}/
  ln -s /etc/sv/agetty-tty1 $PKG/etc/runit/runsvdir/single/
  ln -s default $PKG/etc/runit/runsvdir/current
  for N in 1 2 3 4 5 6; do
    ln -s /etc/sv/agetty-tty${N} $PKG/etc/runit/runsvdir/default/
  done
  ln -s /etc/runit/runsvdir/current $PKG/service
fi

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a package/CHANGES package/README package/TODO package/COPYING package/THANKS \
  doc/ etc/ $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
